放射作用 的英文怎麼說
中文拼音 [fàngshèzuòyòng]
放射作用
英文
actinism-
The heat production in rocks due to radioactivity is highest in the acid rocks and lowest in the ultra-basic rocks.
巖石的放射作用熱產率以酸性巖類最高,超基性巖類最低。It is important that study gamma - ray spectrometry of field rock and soil in the earth ' s crust. its energies range between 30kev and 3000kev, where there is much information of natural radioactive nuclides, such as uranium, thorium, potassium, and information of artificial radioactive nuclides, such as cesium, americium, cobalt, and information of the results in interaction between gamma - ray and earth ' s crust
研究表明:野外地面射線能譜測量主要研究地殼巖石土壤中產生的能量約為30kev 3000kev的射線,這裡面包含著鈾、釷、鉀等天然放射性核素信息,核工程活動產生的大量人工放射性核素信息以及射線與地殼相互作用產生的相關信息。Our previous studies showed existence of apoplast cam in the plant cell and cam had many extracellular functions. so it supposed cam may be one of important extracellular polypeptides and trigger the intracellular signal transduction by binding the receptor. in this study, radiolabelled ligand is used to investigate the binding characteristic of cam and a. thaliana protoplasts. and chemical crosslinking is employed to explore binding proteins in the membrane. at first, ( 35 ) ~ s - cam was produced using ( 35 ) ~ s - labeled amino acid mixture in e. coli. sds - page and autoradiograph indicated high - purified, high - specific radioactivity ( 35 ) ~ s - cam was obtained. electrophoresis of ( 35 ) ~ s - cam is the same as that of unlabeled cam with ca ~ ( 2 + ) or egta ; a quatitive of protoplasts was prepared by enzymolysis
首先,用~ ( 35 ) s標記的氨基酸混合物喂養工程菌成功地制備了~ ( 35 ) s標記的擬南芥鈣調素( ~ ( 35 ) s - cam ) , ~ ( 35 ) s - cam純度高、放射活度高、 ca ~ ( 2 + )與egta存在時的電泳行為與未標記cam相同,可作為一種高靈敏性的探針用於進行受體學分析實驗;用擬南芥種子誘導愈傷,通過酶解制備了大量原生質體。It has a high entrapment efficiency of 98. 3 %, particle size distributing within 5 - 7u m, viscid coefficient of 1432 centipoise. antigen was stable after multiple emulsion treated with gastric juice for 0. 5 - 6h. study on distribution in vivo of me revealed that me could stay for a long time in stomach and that antigen concentration in mesentery was increased with time and reached peak at 24h
疫苗復乳的包封率為98 . 3 % ,粒徑主要分佈於2 ~ 10pm之間,集中於5一7pm ,粘度為1432厘泊,體內分佈實驗顯示, 6h胃中的抗原濃度仍很高,腸系膜淋巴結中的放射量24h最高,與胃液作用0 . 5 ~ 6小時復乳中的抗原不受影響,口服免疫小鼠后明顯提高了rhp疫苗的免疫應答水平。Glove box for handling of radioactive substance
操作放射性物質搬運用手套箱In the retrofocus project, a retrofocus structure with two elements is used in the object lens to enlarge fov and back working distance, in the head of which the negative meniscus have the effect of balancing aberration and deviating rays like a prism. and a standard hyperhemisphere immersion lens with high refractive index is put behind the object lens to satisfy the receiving of a detector with smaller photosensitive
反遠距設計方案中物鏡採用二片式反遠距結構,增大了視場和后工作距離,彎月型負透鏡在前,具有平衡像差和棱鏡的偏向作用;物鏡後放置高折射率標準超半球型浸沒透鏡,滿足小光敏面探測器接收。Because action between agents and reagents at all instants varied, with inverse proportion of increase and decrease, with incessant circular extension and radial reentrance
因為起作用者和被起作用者之間的吸引力無時無刻不在發生著變化,而這又與持續不斷的環狀擴張和放射再突入的增減形成反比例。Dr gordon soo, honorary clinical assistant professor, division of otorhinolaryngology of the department of surgery, cuhk, who is directing the clinical research team involved said, " radiation therapy has proved highly successful in curing this particular cancer but among its frequent side effects are damage to the delicate structures of the ear and different types of hearing loss.
負責是項臨床研究的香港中文大學醫學院外科學系耳鼻喉科名譽臨床助理教授蘇明順醫生表示:放射性治療可有效地治療鼻咽癌,但也經常帶來一些副作用,如破壞耳朵一些脆弱的組織,導致不同種類的聽力障礙。The leaf was allowed to photosynthesize in the presence of radiocarbon.
葉子被允許同放射性碳進行光合作用。Rutherford first identified the action of probability in radioactive decay.
盧瑟福首先認識到幾率在放射性衰變中的作用。( 5 ) antiplane surface motion of underground circular hard inclusion and underground homogeneous hard interlayer is investigated. the results indicate : the surface displacement amplitudes just above the underground circular hard inclusion is reduced, while surface motion on both two sides are significantly amplified when the vertical waves are excited. the surface motion on the side o
結果表明:波垂直入射時硬夾塞上方地表位移幅值處于減小狀態,但在兩側出現放大,波斜入射時硬夾塞的迎波一側地表易出現一定的放大:硬夾層上的地表位移幅值在多數情況下呈現一種放大作用,對深厚比較大的硬夾層放大作用易出現在低頻:地下硬夾塞上的地表運動沒有明顯的扭轉效應。The model of system dynamics is not susceptive to many parameters of the system, but it is susceptive to very few parameters. if these parameters have been changed, their effect will be spread quickly among the system
系統動力學模型對系統內許多參數表現為相對的不敏感特性,但對個別參數十分敏感,一旦這些參數發生變化,其作用將在系統中放射式地傳播。Studies on anti - tumor and synergism combined with - rays of polysaccharide from tremella fuciformis ferment in mice
銀耳孢子多糖抑制腫瘤及放射增效作用的研究This paper introduces the latest progress of high level radioactive waste disposal programs in the world, and discusses the key scientific issues as follows : ( 1 ) the precise prediction of the evolution of a repository site ; ( 2 ) the characteristics of deep geological environment ; ( 3 ) the behaviour of deep rock mass, groundwater and engineering material under coupled conditions ( intermediate to high temperatures, geostress, hydraulic, chemical, biological and radiation process, etc ) ; ( 4 ) the geochemical behaviour of transuranic radionuclides with low concentration and its movement with groundwater : and ( 5 ) the safety assessment of disposal system
在介紹國內外最新研究進展的基礎上,重點討論高放廢物地質處置的若干關鍵科學問題:處置庫場址地質演化的精確預測、深部地質環境特徵、多場耦合條件下(中(高)溫、地殼應力、水力作用、化學作用、生物作用和輻射作用等)深部巖體、地下水和工程材料的行為、低濃度超鈾放射性核素的地球化學行為與隨地下水遷移行為及處置系統的安全評價。The development of this field in china was started in late 1980s. in 1988, china institute of atomic energy in cooperation with daqing oil company conducted the first test using tritiated water as tracer for waterflood, opened the curtain of interwell radiotracer test in china
八十年代末期,中國原子能科學中國原於能科學研究院博士學位論文研究院與大慶油田合作,利用氖水作為示蹤劑在國內首先開展了放射性井間示蹤測試。In the two - photon resonance case, part of the input pulse energy is transformed into higher and lower frequency components through amplified spontaneous emission and four - wave mixing, and the medium shows strong optical power limiting effect
在雙光子共振情況下,即入射脈沖頻率等於1 、 3能級之間的共振頻率的一半,由於介質中放大的自發輻射和四波混頻的作用,部分入射脈沖能量轉化為高頻和低頻電場成分的能量,分子介質表現出了很強的光功率限幅特性。This product is mainly used for preparing pure and high purity water, waste water treatment, and extraction of biochemicals and radioactive elements. it is also used in catalyst
本產品主要用於純水,超純水的製作,廢水處理,生化製品的提取,也用於催化劑和提煉放射性元素等。Here, the spatial distribution of fresnel diffraction field and different talbot effects of sinusoidal grating are presented, under three different illuminating conditions. especially, we discussed some interesting properties about fresnel diffraction field and talbot image, when sinusoidal grating is illuminated by divergent spherical wave
特別地,我們討論了發散球面波照明的情況下,菲涅耳衍射光場和泰伯像所具有的一些有趣的性質,如球面波對光場的放大作用,泰伯效應存在的條件等等。The shearing layer is carried by the jet and the eddy is formed because of the instability and selective amplification of shearing layer which will propagate to the downstream. as the eddy impacts the impinging wall, a wave of pressure disturbance with certain frequency is induced. this wave then propagates to the upstream with high speed, and results in the overlap and amplification of the waves when the frequencies of them are close with each other
當前噴嘴流束中的不穩定擾動波在穿過腔內的剪切層時,剪切層對其有選擇放大作用,形成渦環結構,剪切流動中渦環與碰撞壁撞擊,在碰撞區域產生壓力擾動波並向上游反射,在上游剪切層分離處誘發新的擾動的產生,當新擾動與原擾動匹配時,射流上游就被不斷地受到周期性激勵,腔內就產生流體自激振蕩並在後噴嘴出口形成脈沖射流。But construction cracks in massive concrete frequently occur, which leads to lower ray - shielding efficiency
但大體積混凝土施工中常會產生施工裂縫,以致降低了它防放射作用的效果。分享友人